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2663139411620 = 225136651974431
BaseRepresentation
bin100110110000001111011…
…110101000011010100100
3100102121000202122100022222
4212300033132220122210
5322113102142132440
65355232424011512
7363256035333242
oct46601736503244
910377022570288
102663139411620
119374818518a6
12370174000b98
1316419619586c
1492c7a51d792
154941aece2b5
hex26c0f7a86a4

2663139411620 has 24 divisors (see below), whose sum is σ = 5592639429888. Its totient is φ = 1065246876000.

The previous prime is 2663139411617. The next prime is 2663139411623. The reversal of 2663139411620 is 261149313662.

It is an interprime number because it is at equal distance from previous prime (2663139411617) and next prime (2663139411623).

It is not an unprimeable number, because it can be changed into a prime (2663139411623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2245805 + ... + 3220235.

It is an arithmetic number, because the mean of its divisors is an integer number (233026642912).

Almost surely, 22663139411620 is an apocalyptic number.

2663139411620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2663139411620 is an abundant number, since it is smaller than the sum of its proper divisors (2929500018268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2663139411620 is a wasteful number, since it uses less digits than its factorization.

2663139411620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111091 (or 1111089 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 2663139411620 in words is "two trillion, six hundred sixty-three billion, one hundred thirty-nine million, four hundred eleven thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 136651 273302 546604 683255 974431 1366510 1948862 2733020 3897724 4872155 9744310 19488620 133156970581 266313941162 532627882324 665784852905 1331569705810 2663139411620